graph dot highestofficevep2014 highestofficevep2018 if split==0, over( state ) scheme(s1mono) saving(3)

graph dot highestofficevep2014 highestofficevep2018 if split==1, over( state ) scheme(s1mono) saving(4)

gr combine 3.gph 4.gph, graphregion(color(white) lwidth(large))
